Lu Qing'an was once the Eternal Night Demon Emperor who shook all the heavens. After achieving success and fame, he chose to return to an ordinary, everyday life and spend warm years with his family. A turning point in life led him to return to the Demon Realm with his two daughters, thus beginning a lighthearted and lively new journey. Seemingly low-key and easygoing, he actually possesses unfathomably deep strength and a rich foundation. Facing his daughters' cultivation, visits from relatives and friends, and all kinds of adventures, he can always calmly resolve problems and deliver precious cultivation techniques, divine weapons, and opportunities to his family. Along the way, father-daughter warmth, laughter with relatives and friends, and fantastical wonders are constantly interwoven. In the end, Lu Qing'an holds fast to his original aspiration and welcomes a complete and happy new life.